UPS5000-E-(25 kVA-75 kVA)-SM
User Manual (Half Height)
3 Installation
Issue 03 (2019-12-13)
Copyright © Huawei Technologies Co., Ltd.
41
Tools and Meters
(2–5 mm)
Phillips screwdriver
(M3/M4/M5/M6/M
8)
Insulated torque
wrench
(M6/M8/M12/M16)
Heat shrink tubing
Insulated adjustable
wrench
lists only the common tools for installation and cable connection. For more dedicated tools
required, see the corresponding component manuals. Prepare tools based on site requirements.
3.1.3 Preparing Power Cables
The UPS can generate large leakage currents. A circuit breaker equipped with an RCD is
not recommended.
If multiple UPSs are connected in parallel, input and output power cables for each UPS
should have the same length and specifications.
Table 3-2
Recommended cross-sectional areas for power cables
Item
25 kVA
50 kVA
75 kVA
Mains
input
Mains input current
(A)
55
103
151
Recommended
cross-sectional
area (mm
2
)
L1
4 x 10
4 x 25
4 x 50
L2
L3
N
PE
10
25
25
Bypass
input
Bypass input current
(A)
38
76
114